Re: [PATCH v2 1/2] migration: enfocre multifd and postcopy preempt to be set before incoming

[Peter Xu]

On Tue, May 30, 2023 at 05:02:58PM +0800, Wei Wang wrote:
> qemu_start_incoming_migration needs to check the number of multifd
> channels or postcopy ram channels to configure the backlog parameter (i.e.
> the maximum length to which the queue of pending connections for sockfd
> may grow) of listen(). So enforce the usage of postcopy-preempt and
> multifd as below:
> - need to use "-incoming defer" on the destination; and
> - set_capability and set_parameter need to be done before migrate_incoming
> 
> Otherwise, disable the use of the features and report error messages to
> remind users to adjust the commands.
> 
> Signed-off-by: Wei Wang <wei.w.wang@intel.com>

Reviewed-by: Peter Xu <peterx@redhat.com>

-- 
Peter Xu